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156680-39-6

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156680-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156680-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,6,8 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 156680-39:
(8*1)+(7*5)+(6*6)+(5*6)+(4*8)+(3*0)+(2*3)+(1*9)=156
156 % 10 = 6
So 156680-39-6 is a valid CAS Registry Number.
InChI:InChI=1/C23H30N4O4/c1-16(2)11-19(13-21(28)27-31)22(29)26-20(12-17-7-4-3-5-8-17)23(30)25-15-18-9-6-10-24-14-18/h3-10,14,16,19-20,31H,11-13,15H2,1-2H3,(H,25,30)(H,26,29)(H,27,28)/t19-,20+/m1/s1

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